scripts/sql-schema/mcore-sql-schema.sh

#!/bin/bash

# include everything from include
for inc in $(find ./include -type f -name \*.sh)
do
	source "${inc}"
done

die()
{
	echo "ERROR: $@"
	exit 1
}

mysql_command()
{
	local sql_user
	local sql_pass
	local sql_host
	local sql_db
	local sql_command

	sql_user=$1
	sql_pass=$2
	sql_host=$3
	sql_db=$4
	sql_command=$5

	#fallback (sql_opts not, they are optional )
	if [ -z "${sql_user}" \
		-o -z "${sql_pass}" \
		-o -z "${sql_host}" \
		-o -z "${sql_db}" \
		-o -z "${sql_command}" ]
	then
		echo
		echo "Usage:"
		echo -e "      mysql_command user pass host db \"sql-command\""
		echo
		return 1
	fi

	mysql \
		--user="${sql_user}" \
		--password="${sql_pass}" \
		--host="${sql_host}" \
		--database="${sql_db}" \
		--batch \
		--skip-column-names \
		--execute="${sql_command}" \
		|| return 1

	return 0
}

mysqldo()
{
	mysql_command \
		"${MCORE_SQL_USER}" \
		"${MCORE_SQL_PASS}" \
		"${MCORE_SQL_HOST}" \
		"${MCORE_SQL_DB}" \
		"$@" \
		&& return 0 || return 1
}

mysql_insert()
{
	local cmdline="$@"
	#local table="$1"
	local table="${cmdline%%,*}"
	local argv
	local insert_line
	local update_line
	local key
	local value
	local counter

	OLD_IFS=${IFS}
	IFS=,
	declare -i counter=0
	#for argv in ${cmdline/$1/} # first value is the table_name
	for argv in ${cmdline#*,} # first value is the table_name
	do
		key="${argv%=*}"
		value="${argv#*=}"

		if [ ${counter} -eq 0 ]
		then
			insert_keys="${key}"
			insert_values="'${value}'"
			update_line="${key}='${value}'"
		else
			insert_keys+=",${key}"
			insert_values+=",'${value}'"
			update_line+=",${key}='${value}'"
		fi
		(( counter ++ ))
	done
	IFS=${OLD_IFS}

	echo "INSERT INTO ${table} (${insert_keys}) VALUES(${insert_values}) ON DUPLICATE KEY UPDATE ${update_line};"
	#mysqldo "insert into ${table} (${insert_keys}) values(${insert_values}) on duplicate key update ${update_line};"
}


# creates a mysql table with help of a defined array TABLE_DEFINITION:
# array values are a struct like this:
# first array element is the table name, everything else are column descriptions
# TABLE_DEFINITION=(
#		"table_name"
#			"column1_name column1_argvs"
#			"column2_name column2_argvs"
#			"columnN_name columnN_argvs"
#	)
sql_create_table()
{
	local table
	local count
	local i
	local line
	local opts
	local column
	local autoincrement
	local primary
	local create

	table="${TABLE_DEFINITION[0]}"
	count="${#TABLE_DEFINITION[*]}"

	for ((i=1; i<count; i++))
	do
		line="${TABLE_DEFINITION[${i}]}"
		column="${line%% *}"
		opts="${line/${column} /}"

		case ${opts} in
			*"PRIMARY KEY"*) opts="${opts//PRIMARY KEY}"; primary="${column}" ;;
			*"primary key"*) opts="${opts//primary key}"; primary="${column}" ;;
		esac

		case ${opts} in
			*AUTO_INCREMENT*) opts="${opts//AUTO_INCREMENT}"; autoincrement="${column} ${opts}" ;;
			*auto_increment*) opts="${opts//auto_increment}"; autoincrement="${column} ${opts}" ;;
		esac

		if [[ -z ${create} ]]
		then
			create="${column} ${opts}"
		else
			create+=", ${column} ${opts}"
		fi
	done
	echo "CREATE TABLE ${MCORE_SQL_DB}.${table} ( ${create} );"
	mysqldo "CREATE TABLE ${MCORE_SQL_DB}.${table} ( ${create} );" || die "creating table '${table}'"

	if [[ -n ${primary} ]]
	then
		echo "ALTER TABLE ${MCORE_SQL_DB}.${table} ADD PRIMARY KEY (${primary});"
		mysqldo "ALTER TABLE ${MCORE_SQL_DB}.${table} ADD PRIMARY KEY (${primary});" || die "adding primary key to table '${table}'"
	fi
	if [[ -n ${autoincrement} ]]
	then
		echo "ALTER TABLE ${MCORE_SQL_DB}.${table} MODIFY ${autoincrement} AUTO_INCREMENT;"
		mysqldo "ALTER TABLE ${MCORE_SQL_DB}.${table} MODIFY ${autoincrement} AUTO_INCREMENT;" || die "adding auto_increment to table '${table}'"
	fi
}

# VALUE_DEFINITION=(
#		"table_name, value_column_name, bool_column_name, id_column_name"
#			"value1, bool1"
#			"value2, bool2"
#			"valueN, boolN"
#	)
sql_set_value()
{
	local line
	local meta
	local table
	local column_value
	local column_bool
	local column_id
	local value
	local bool
	local count
	local i
	local id

	count="${#VALUE_DEFINITION[*]}"
	line="${VALUE_DEFINITION[0]}"
	for i in ${line//,/ }
	do
		meta+=( "${i}" )
	done

	table="${meta[0]}"
	column_value="${meta[1]}"
	column_bool="${meta[2]}"
	column_id="${meta[3]}"

	for ((i=1; i<count; i++))
	do
		line="${VALUE_DEFINITION[${i}]}"
		value="${line%%,*}"
		bool="${line##*,}"
		# remove any leading whitespaces
		bool="${bool// }"

		# now check if the value already exist in the database
		id=$(mysqldo "SELECT ${column_id} FROM ${MCORE_SQL_DB}.${table} WHERE ${column_value}='${value}';")
		if [[ -n ${id} ]]
		then
			# update value in database
			echo "UPDATE ${MCORE_SQL_DB}.${table} SET ${column_value}='${value}', ${column_bool}='${bool}' WHERE ${column_id}='${id}';"
			mysqldo "UPDATE ${MCORE_SQL_DB}.${table} SET ${column_value}='${value}', ${column_bool}='${bool}' WHERE ${column_id}='${id}';" || die "update value in table ${table}"
		else
			# insert into the database
			echo "INSERT INTO ${MCORE_SQL_DB}.${table} (${column_value}, ${column_bool}) VALUES ( '${value}', '${bool}' );"
			mysqldo "INSERT INTO ${MCORE_SQL_DB}.${table} (${column_value}, ${column_bool}) VALUES ( '${value}', '${bool}' );" || die "insert value into table ${table}"
		fi
	done
}

update_to_database_schema_version_2()
{
	return 0
}

update_to_database_schema_version_3()
{
	return 0
}

create_database()
{
	create_database_schema
}

update_database()
{
	local current_sql_db_version
	local i

	current_sql_db_version=$(mysqldo "SELECT MAX(version) from meta;")

	if [[ ${current_sql_db_version} = ${MCORE_SQL_DB_VERSION} ]]
	then
		echo "Database is already up to date"
		return 0
	fi

	# run every update_to_database_version_X script which exist up to version MCORE_SQL_DB_VERSION
	for i in $(seq $((${current_sql_db_version}+1)) ${MCORE_SQL_DB_VERSION})
	do
		if [[ -n $(typeset -f update_to_database_version_${i}) ]]
		then
			echo "Running update_to_database_schema_version_${i}()"
			update_to_database_schema_version_${i}
		fi
	done
}

fill_database()
{
	create_database_values
}

case $1 in
	create)
		create_database
		fill_database
		;;

	update)
		update_database
		fill_database
		;;
esac
1	#!/bin/bash
2
3	# include everything from include
4	for inc in $(find ./include -type f -name \*.sh)
5	do
6	source "${inc}"
7	done
8
9	die()
10	{
11	echo "ERROR: $@"
12	exit 1
13	}
14
15	mysql_command()
16	{
17	local sql_user
18	local sql_pass
19	local sql_host
20	local sql_db
21	local sql_command
22
23	sql_user=$1
24	sql_pass=$2
25	sql_host=$3
26	sql_db=$4
27	sql_command=$5
28
29	#fallback (sql_opts not, they are optional )
30	if [ -z "${sql_user}" \
31	-o -z "${sql_pass}" \
32	-o -z "${sql_host}" \
33	-o -z "${sql_db}" \
34	-o -z "${sql_command}" ]
35	then
36	echo
37	echo "Usage:"
38	echo -e " mysql_command user pass host db \"sql-command\""
39	echo
40	return 1
41	fi
42
43	mysql \
44	--user="${sql_user}" \
45	--password="${sql_pass}" \
46	--host="${sql_host}" \
47	--database="${sql_db}" \
48	--batch \
49	--skip-column-names \
50	--execute="${sql_command}" \
51	\|\| return 1
52
53	return 0
54	}
55
56	mysqldo()
57	{
58	mysql_command \
59	"${MCORE_SQL_USER}" \
60	"${MCORE_SQL_PASS}" \
61	"${MCORE_SQL_HOST}" \
62	"${MCORE_SQL_DB}" \
63	"$@" \
64	&& return 0 \|\| return 1
65	}
66
67	mysql_insert()
68	{
69	local cmdline="$@"
70	#local table="$1"
71	local table="${cmdline%%,*}"
72	local argv
73	local insert_line
74	local update_line
75	local key
76	local value
77	local counter
78
79	OLD_IFS=${IFS}
80	IFS=,
81	declare -i counter=0
82	#for argv in ${cmdline/$1/} # first value is the table_name
83	for argv in ${cmdline#*,} # first value is the table_name
84	do
85	key="${argv%=*}"
86	value="${argv#*=}"
87
88	if [ ${counter} -eq 0 ]
89	then
90	insert_keys="${key}"
91	insert_values="'${value}'"
92	update_line="${key}='${value}'"
93	else
94	insert_keys+=",${key}"
95	insert_values+=",'${value}'"
96	update_line+=",${key}='${value}'"
97	fi
98	(( counter ++ ))
99	done
100	IFS=${OLD_IFS}
101
102	echo "INSERT INTO ${table} (${insert_keys}) VALUES(${insert_values}) ON DUPLICATE KEY UPDATE ${update_line};"
103	#mysqldo "insert into ${table} (${insert_keys}) values(${insert_values}) on duplicate key update ${update_line};"
104	}
105
106
107	# creates a mysql table with help of a defined array TABLE_DEFINITION:
108	# array values are a struct like this:
109	# first array element is the table name, everything else are column descriptions
110	# TABLE_DEFINITION=(
111	# "table_name"
112	# "column1_name column1_argvs"
113	# "column2_name column2_argvs"
114	# "columnN_name columnN_argvs"
115	# )
116	sql_create_table()
117	{
118	local table
119	local count
120	local i
121	local line
122	local opts
123	local column
124	local autoincrement
125	local primary
126	local create
127
128	table="${TABLE_DEFINITION[0]}"
129	count="${#TABLE_DEFINITION[*]}"
130
131	for ((i=1; i<count; i++))
132	do
133	line="${TABLE_DEFINITION[${i}]}"
134	column="${line%% *}"
135	opts="${line/${column} /}"
136
137	case ${opts} in
138	"PRIMARY KEY") opts="${opts//PRIMARY KEY}"; primary="${column}" ;;
139	"primary key") opts="${opts//primary key}"; primary="${column}" ;;
140	esac
141
142	case ${opts} in
143	AUTO_INCREMENT) opts="${opts//AUTO_INCREMENT}"; autoincrement="${column} ${opts}" ;;
144	auto_increment) opts="${opts//auto_increment}"; autoincrement="${column} ${opts}" ;;
145	esac
146
147	if [[ -z ${create} ]]
148	then
149	create="${column} ${opts}"
150	else
151	create+=", ${column} ${opts}"
152	fi
153	done
154	echo "CREATE TABLE ${MCORE_SQL_DB}.${table} ( ${create} );"
155	mysqldo "CREATE TABLE ${MCORE_SQL_DB}.${table} ( ${create} );" \|\| die "creating table '${table}'"
156
157	if [[ -n ${primary} ]]
158	then
159	echo "ALTER TABLE ${MCORE_SQL_DB}.${table} ADD PRIMARY KEY (${primary});"
160	mysqldo "ALTER TABLE ${MCORE_SQL_DB}.${table} ADD PRIMARY KEY (${primary});" \|\| die "adding primary key to table '${table}'"
161	fi
162	if [[ -n ${autoincrement} ]]
163	then
164	echo "ALTER TABLE ${MCORE_SQL_DB}.${table} MODIFY ${autoincrement} AUTO_INCREMENT;"
165	mysqldo "ALTER TABLE ${MCORE_SQL_DB}.${table} MODIFY ${autoincrement} AUTO_INCREMENT;" \|\| die "adding auto_increment to table '${table}'"
166	fi
167	}
168
169	# VALUE_DEFINITION=(
170	# "table_name, value_column_name, bool_column_name, id_column_name"
171	# "value1, bool1"
172	# "value2, bool2"
173	# "valueN, boolN"
174	# )
175	sql_set_value()
176	{
177	local line
178	local meta
179	local table
180	local column_value
181	local column_bool
182	local column_id
183	local value
184	local bool
185	local count
186	local i
187	local id
188
189	count="${#VALUE_DEFINITION[*]}"
190	line="${VALUE_DEFINITION[0]}"
191	for i in ${line//,/ }
192	do
193	meta+=( "${i}" )
194	done
195
196	table="${meta[0]}"
197	column_value="${meta[1]}"
198	column_bool="${meta[2]}"
199	column_id="${meta[3]}"
200
201	for ((i=1; i<count; i++))
202	do
203	line="${VALUE_DEFINITION[${i}]}"
204	value="${line%%,*}"
205	bool="${line##*,}"
206	# remove any leading whitespaces
207	bool="${bool// }"
208
209	# now check if the value already exist in the database
210	id=$(mysqldo "SELECT ${column_id} FROM ${MCORE_SQL_DB}.${table} WHERE ${column_value}='${value}';")
211	if [[ -n ${id} ]]
212	then
213	# update value in database
214	echo "UPDATE ${MCORE_SQL_DB}.${table} SET ${column_value}='${value}', ${column_bool}='${bool}' WHERE ${column_id}='${id}';"
215	mysqldo "UPDATE ${MCORE_SQL_DB}.${table} SET ${column_value}='${value}', ${column_bool}='${bool}' WHERE ${column_id}='${id}';" \|\| die "update value in table ${table}"
216	else
217	# insert into the database
218	echo "INSERT INTO ${MCORE_SQL_DB}.${table} (${column_value}, ${column_bool}) VALUES ( '${value}', '${bool}' );"
219	mysqldo "INSERT INTO ${MCORE_SQL_DB}.${table} (${column_value}, ${column_bool}) VALUES ( '${value}', '${bool}' );" \|\| die "insert value into table ${table}"
220	fi
221	done
222	}
223
224	update_to_database_schema_version_2()
225	{
226	return 0
227	}
228
229	update_to_database_schema_version_3()
230	{
231	return 0
232	}
233
234	create_database()
235	{
236	create_database_schema
237	}
238
239	update_database()
240	{
241	local current_sql_db_version
242	local i
243
244	current_sql_db_version=$(mysqldo "SELECT MAX(version) from meta;")
245
246	if [[ ${current_sql_db_version} = ${MCORE_SQL_DB_VERSION} ]]
247	then
248	echo "Database is already up to date"
249	return 0
250	fi
251
252	# run every update_to_database_version_X script which exist up to version MCORE_SQL_DB_VERSION
253	for i in $(seq $((${current_sql_db_version}+1)) ${MCORE_SQL_DB_VERSION})
254	do
255	if [[ -n $(typeset -f update_to_database_version_${i}) ]]
256	then
257	echo "Running update_to_database_schema_version_${i}()"
258	update_to_database_schema_version_${i}
259	fi
260	done
261	}
262
263	fill_database()
264	{
265	create_database_values
266	}
267
268	case $1 in
269	create)
270	create_database
271	fill_database
272	;;
273
274	update)
275	update_database
276	fill_database
277	;;
278	esac